Primary Outlet: WBAL (Baltimore MD)Broadcast Date: Tuesday, June 20, 2017 - 7:20amProgram: News Now with Bryan NehmanBroadcast Type: interviewBroadcast Format: radioScholar: Olson, WalterSubjects: the Supreme Court hearing a gerrymandering caseResearch Area: Government and PoliticsLink: https://www.cato.org/multimedia/media-highlights-radio/walter-olson-discusses-su…